JPH084762Y2 - 着信ベル信号検出回路 - Google Patents

着信ベル信号検出回路

Info

Publication number
JPH084762Y2
JPH084762Y2 JP1988161541U JP16154188U JPH084762Y2 JP H084762 Y2 JPH084762 Y2 JP H084762Y2 JP 1988161541 U JP1988161541 U JP 1988161541U JP 16154188 U JP16154188 U JP 16154188U JP H084762 Y2 JPH084762 Y2 JP H084762Y2
Authority
JP
Japan
Prior art keywords
signal
bell
ringing
detection circuit
incoming
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
JP1988161541U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0282149U (pm
Inventor
昌己 大畠
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sharp Corp
Original Assignee
Sharp Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sharp Corp filed Critical Sharp Corp
Priority to JP1988161541U priority Critical patent/JPH084762Y2/ja
Publication of JPH0282149U publication Critical patent/JPH0282149U/ja
Application granted granted Critical
Publication of JPH084762Y2 publication Critical patent/JPH084762Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

JP1988161541U 1988-12-12 1988-12-12 着信ベル信号検出回路 Expired - Lifetime JPH084762Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988161541U JPH084762Y2 (ja) 1988-12-12 1988-12-12 着信ベル信号検出回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988161541U JPH084762Y2 (ja) 1988-12-12 1988-12-12 着信ベル信号検出回路

Publications (2)

Publication Number Publication Date
JPH0282149U JPH0282149U (pm) 1990-06-25
JPH084762Y2 true JPH084762Y2 (ja) 1996-02-07

Family

ID=31444569

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988161541U Expired - Lifetime JPH084762Y2 (ja) 1988-12-12 1988-12-12 着信ベル信号検出回路

Country Status (1)

Country Link
JP (1) JPH084762Y2 (pm)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0276439A (ja) * 1988-09-13 1990-03-15 Nec Corp 呼出信号検出回路

Also Published As

Publication number Publication date
JPH0282149U (pm) 1990-06-25

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